WO2004107296A1 - Dispositif d'affichage d'images du type ecran plat - Google Patents

Dispositif d'affichage d'images du type ecran plat Download PDF

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Publication number
WO2004107296A1
WO2004107296A1 PCT/JP2004/007661 JP2004007661W WO2004107296A1 WO 2004107296 A1 WO2004107296 A1 WO 2004107296A1 JP 2004007661 W JP2004007661 W JP 2004007661W WO 2004107296 A1 WO2004107296 A1 WO 2004107296A1
Authority
WO
WIPO (PCT)
Prior art keywords
block
circuit block
board
port
signal
Prior art date
Application number
PCT/JP2004/007661
Other languages
English (en)
Japanese (ja)
Inventor
Akira Mizuno
Masayuki Esaki
Original Assignee
Matsushita Electric Industrial Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Industrial Co., Ltd. filed Critical Matsushita Electric Industrial Co., Ltd.
Priority to CN2004800062182A priority Critical patent/CN1759429B/zh
Priority to US10/548,717 priority patent/US7456807B2/en
Priority to EP04735115A priority patent/EP1628280A4/fr
Publication of WO2004107296A1 publication Critical patent/WO2004107296A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/64—Constructional details of receivers, e.g. cabinets or dust covers
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/66—Transforming electric information into light information
    • H04N5/70—Circuit details for electroluminescent devices
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S345/00—Computer graphics processing and selective visual display systems
    • Y10S345/901—Electronic book with display

Definitions

  • the present invention relates to a flat-panel image display device such as a plasma display device known as a large-screen, thin, and lightweight display device.
  • a flat-panel image display device such as a plasma display device known as a large-screen, thin, and lightweight display device.
  • Flat panel image display devices are capable of displaying images at higher speeds than liquid crystal panels, have a wider viewing angle, are easier to be larger, and have higher display quality because they are self-luminous. Recently, it has attracted particular attention. It is used as a display device in places where many people gather and for enjoying large-screen images at home.
  • the signal input terminal structure is required to be connectable to an external device that outputs image signals including various information signals such as a personal computer, a television tuner, and a video.
  • the plasma display device is provided with various signal input terminals so that it can be connected to many external signal sources.
  • general users rarely use all signal input terminals, and most users connect only specific external devices. For this reason, some of the signal input terminals installed to support various devices may not be required.
  • the present invention relates to a flat panel display panel, a display drive circuit block disposed on a chassis member and applying a signal to the display panel to perform display, and an input signal circuit for outputting an image signal to the display drive circuit block.
  • Block and a housing for accommodating the display panel, display drive circuit block, and input signal circuit block.
  • the input signal circuit block is detachable from the signal input connector of the display drive circuit block.
  • a plurality of types of block blocks provided with signal output connectors to be connected to and connected interchangeably corresponding to a plurality of types of signals, and mounting for mounting the block blocks in the housing
  • a case part having a mouth and a guide member for guiding and positioning the board block to a predetermined position when the board block is mounted from the mounting port.
  • the board block is prepared as a minimum unit having a predetermined size, and a plurality of guide members are provided corresponding to the size of the board block of the minimum unit. Is a flat panel type image display device. BRIEF DESCRIPTION OF THE FIGURES
  • FIG. 1 is an exploded perspective view of a plasma display device according to an embodiment of the present invention as viewed from the back.
  • FIG. 2 is a rear view of the plasma display device with the back cover removed.
  • FIG. 3 is a perspective view of the input signal circuit block of the plasma display device before assembling.
  • FIG. 4 is a perspective view of the input signal circuit block after assembly.
  • FIG. 5 is a perspective view showing a main part of a case member of the plasma display device.
  • FIG. 6 is a plan view showing an internal arrangement structure of an input signal circuit block of the plasma display device.
  • FIG. 7 is a side view of the input signal circuit block of the plasma display device immediately before assembly.
  • FIG. 8 is an enlarged cross-sectional view showing a connection portion between the connector of the port block and the connector of the control circuit block of the plasma display device.
  • FIG. 9 is a sectional view showing the connector part of FIG. 8 in a further enlarged manner.
  • FIG. 10 is an enlarged plan view showing a connection portion between a connector of a port block and a connector of a control circuit block of the plasma display device.
  • FIG. 11 is a perspective view showing another example of the input signal circuit block of the plasma display device according to the embodiment of the present invention before assembling.
  • FIG. 12 is a perspective view before assembling showing another example of the input signal circuit block of the plasma display device according to the embodiment of the present invention.
  • FIG. 13 is a perspective view showing another example of the input signal circuit block of the plasma display device according to the embodiment of the present invention before assembling.
  • FIG. 1 is an exploded view # 1 as viewed from the back of the plasma display device according to the embodiment of the present invention.
  • a housing for accommodating a flat display panel 1 is composed of a front frame 2 and a metal back cover 13.
  • a front cover 4 made of glass or the like which also protects the optical filter and the display panel 1 is arranged.
  • the front cover 14 is, for example, subjected to silver vapor deposition in order to suppress unnecessary radiation of electromagnetic waves.
  • the rear cover 3 is provided with a plurality of ventilation holes 3a for releasing heat generated in the display panel 1 and the like to the outside.
  • the display panel 1 is bonded and held to the front surface of a chassis member 5 made of aluminum or the like via a heat conductive sheet 6.
  • a plurality of circuit blocks 7 for driving the display panel 1 for display are mounted on the rear side of the chassis member 5.
  • the heat conduction sheet 6 is used to efficiently transmit the heat generated in the display panel 1 to the chassis member 5 and radiate heat. It is.
  • the circuit block 7 includes an electric circuit for driving the display of the display panel 1 and controlling the display.
  • a plurality of flexible wiring boards (not shown) extending beyond the four edges of the chassis member 5 are used to electrically connect the circuit block 7 to the electrode lead-out portions drawn to the edges of the display panel 1. I do.
  • chassis member 5 On the rear surface of the chassis member 5, a boss portion 7a for attaching the circuit block 7 and fixing the rear cover 3 is formed by integral molding using die casting or the like.
  • chassis member 5 may be configured to be fixed to a flat aluminum plate with a fixing pin.
  • FIG. 2 is a rear view of the same plasma display device with the rear cover 3 removed.
  • the circuit elements omitted in FIG. 1 are also shown in detail.
  • a scan driver circuit block 10 supplies a predetermined signal voltage to scan electrodes of the display panel 1.
  • the sustain driver circuit block 11 supplies a predetermined signal voltage to the sustain electrode of the display panel 1.
  • the address driver circuit block 12 supplies a predetermined signal voltage to the address electrodes of the display panel 1.
  • the scan driver circuit block 10 and the sustain driver circuit block 11 are connected to the chassis member 5.
  • the address driver circuit blocks 12 are arranged at both ends in the ⁇ direction, and the upper and lower ends of the chassis member 5 in the height direction are arranged.
  • the input signal circuit block 14 has an input terminal section for detachably connecting a connection cable for connecting to an external device such as a television tuner or a personal computer. Then, the input signal circuit block 14 is arranged on the chassis member 5 so as to be substantially parallel to the display panel 1.
  • the control circuit block 13 converts the image signal sent from the input signal circuit block 14 into an image data signal corresponding to the number of pixels of the display panel 1, and supplies the image data signal to the address driver circuit block 12. Further, the control circuit block 13 generates a discharge control timing signal and supplies it to the scan driver circuit block 10 and the sustain driver circuit block 11, respectively, to perform display drive control such as gradation control. Then, the control circuit block 13 is arranged substantially at the center of the chassis member 5.
  • the power supply block 15 supplies a voltage to each of the circuit blocks described above. Power block
  • the reference numeral 15 is disposed substantially at the center of the chassis member 5, similarly to the control circuit block 13. Then, the commercial power supply voltage is supplied to the power supply block 15 through a power supply inlet box 17 having a connector 16 to which a power cable (not shown) is attached.
  • the flexible wiring board 18 connects the electrode lead portions of the scan electrodes and the sustain electrodes of the display panel 1 to the printed wiring boards of the scan driver circuit block 10 and the sustain driver circuit block 11.
  • the flexible wiring board 19 connects the electrode lead-out portion of the address electrode of the display panel 1 to the printed wiring board of the address driver circuit block 12. Then, each is arranged to be curved 180 degrees from the front side to the back side through the outer peripheral portion of the display panel 1.
  • FIG. 3 is a perspective view of the input signal circuit block 14 of the plasma display device before assembling
  • FIG. 4 is a perspective view of the input signal circuit block 14 after assembling.
  • the input signal circuit block 14 has a configuration including a case member 22 and pod blocks 23 and 24.
  • the case member 22 is formed by bending a metal plate. Then, on the surface of the case member 22 on the chassis member 5 side, mounting pieces 22 b for attaching the chassis member 5 to the chassis member 5 with screws or the like are provided at arbitrary locations and integrated with the case member 22.
  • a mounting port 22a is provided on a surface that rises substantially at right angles to the mounting surface to the chassis member 5. Then, the case member 22 is attached to the chassis member 5 with the mounting port 22a opened to the outside through an opening (not shown) provided in the back cover 3. Therefore, in the present embodiment, the mounting opening 22 a is configured to open to the outside from the back force bar 3.
  • the board blocks 23 and 24 are configured to include circuit boards 26 and 27, a metal guide plate 28, and a shield plate 29.
  • the circuit boards 26 and 27 mount components such as ICs and electric circuit components constituting the input signal circuit.
  • the metal guide plate 28 is electromagnetically shielded from components constituting the input signal circuit by being mounted on the upper surfaces of the circuit boards 26 and 27. Further, the guide plate 28 has a concave guide portion 28 a and fits with the guide member 25 attached to the inner wall surface of the case member 22.
  • the guide portion 28a is provided by forming the guide plate 28 to form a concave portion.
  • the shield plate 29 electromagnetically connects the components constituting the input signal circuit mounted on the lower surface of the circuit boards 26 and 27 Shield.
  • the board block 23 is a minimum unit unit manufactured with predetermined dimensions. Then, one guide plate 28 is disposed on the board block 23 of the minimum unit. On the other hand, the board block 24 has a size in which two board blocks 23 of the minimum unit are combined, and the board block 24 is provided with two guide plates 28.
  • the board blocks 23 and 24 include signal output connectors 23a and 24a (not shown in FIGS. 3 and 4) and input terminal portions 23b and 24b.
  • the connectors 23a and 24a are electrically connected to the terminals of the connectors 23a and 24a and fixed to the circuit boards 26 and 27. Place.
  • the input terminals 23 b and 24 b electrically connected to the circuit boards 26 and 27 are provided on the front side of the circuit boards 26 and 27.
  • a connection cable for connecting to an external device is detachably connected to the input terminals 23b and 24b.
  • the input terminals 23 b and 24 b have a U-shaped bracket 30 that is used as a knob when removing the pod blocks 23 and 24.
  • case member 22 incorporates another input signal block (not shown) having an input terminal to which a connection cable for connecting to another external device is detachably connected. Always connected to blocks 13 and 13.
  • FIG. 5 is a perspective view showing a main part of a case member 22 of the plasma display device.
  • a protruding guide member 25 formed by bending a metal plate extending in a direction perpendicular to the mounting port 22 a is formed. Attach.
  • the guide member 25 is used for positioning the board blocks 23, 24 while guiding them to predetermined positions when the board blocks 23, 24 are mounted in the case member 22 from the mounting openings 22a. belongs to.
  • the guide member 25 is provided with a tapered portion 25a gradually narrowing toward the mounting port 22a at one end on the mounting port 22a side, and a projection 25 at the other end. b is provided. Further, a plurality of the guide members 25 are arranged at regular intervals on the inner wall surface of the case member 22 so as to correspond to the port block 23 of the minimum unit. In the present embodiment, an example is shown in which three guide members 25 are provided as shown in FIG. However, the present invention is not limited to this, and may be set arbitrarily according to the size of the mounting port 22 a or the board block 23.
  • a notch is provided on the upper surface of the case member 22 and the portion separated by the notch is bent inward to separate the board blocks 23 and 24 from another input signal block.
  • 2 c is provided on the inner wall surface of the case member 22. By providing the rising wall 22c, another input signal block portion is electromagnetically shielded.
  • FIG. 6 is a plan view showing an internal arrangement structure of the input signal circuit block 14 of the plasma display device.
  • FIG. 7 is a side view of the input signal circuit block 14 of the plasma display device just before assembly.
  • the circuit board 20 of the control circuit block 13 mounts the microcomputer, driver IC, electric circuit components, and the like that constitute the predetermined control circuit as described above. Things.
  • a control circuit block 13 is configured.
  • the circuit board 20 is fixed to the chassis member 5 with screws or the like so as to be substantially parallel to the display panel 1.
  • a signal input connector 21 is arranged at the end of the circuit board 20 arranged.
  • the connectors 23a and 24a are detachably connected to the connector 21 as shown in FIG.
  • the guide members 25 guide the board blocks 23 and 24 so that the connectors 23a and 24a can be easily inserted into the connectors 21. I have to.
  • a signal is input from the input signal circuit block 14 through this connector 21.
  • FIG. 8 is an enlarged cross-sectional view showing a connection portion between the connectors 23 a and 24 a of the board blocks 23 and 24 and the connector 21 of the control circuit block 13.
  • FIG. 9 is a cross-sectional view showing the connector portion of FIG. 8 in a further enlarged manner.
  • FIG. 10 is an enlarged plan view showing the connection between the connectors 23 a and 24 a of the board blocks 23 and 24 and the connector 21 of the control circuit block 13.
  • the signal input connector 21 of the control circuit block 13 is a female connector.
  • the connector 21 is composed of a casing 21a and a terminal 21b.
  • Casing 3 ⁇ 4 Connect the signal output connectors 23a and 24a of the board blocks 23 and 24 to 52a.
  • the terminal part 2 lb is disposed in the casing part 21 a and makes electrical contact with the terminals of the connectors 23 a and 24 a of the board blocks 23 and 24.
  • the inner diameter of the casing 21a is larger than the outer diameter of the connectors 23a and 24a of the board blocks 23 and 24. ing. That is, a gap 31 is provided between the two to allow play.
  • the board blocks 23 and 24 include the signal output connectors 23a and 24a detachably connected to the signal input connector 21 of the display drive circuit block.
  • the case member 22 is provided with a mounting port 22a for mounting the board blocks 23 and 24, and a port when the port blocks 23 and 24 are mounted through the mounting port 22a.
  • a guide member 25 for positioning the guide blocks 23 and 24 while guiding them to predetermined positions.
  • the board blocks 23 and 24 prepare units of predetermined dimensions as minimum unit units, and a plurality of guide members 25 are provided corresponding to the dimensions of the minimum unit of the port blocks 23.
  • the board blocks 23 and 24 and the case member 22 are configured as described above, and the detachable board blocks 23 and 24 are attached to the case member 22.
  • the input signal circuit block 14 is configured.
  • a plurality of types of port blocks each having a different signal processing circuit are prepared in advance. In this way, it is possible to support various image signals simply by replacing the board blocks 23 and 24 of the input signal circuit block 14 according to the purpose, and it is possible to respond to the purpose of use of the user.
  • a plasma display device having a signal input terminal structure can be provided.
  • the case member 2 to which the board blocks 23 and 24 are detachably attached is attached to the chassis member 5 so as to be substantially parallel to the display panel 1. Therefore, the input signal circuit block 14 composed of the case member 22 and the board blocks 23 and 24 can be disposed by utilizing the thickness of the rear side of the plasma display device, so that the thickness of the entire device becomes unnecessary. Do not thicken.
  • the board blocks 23 and 24 are mounted with components that constitute the input signal circuit. It has a guide plate 28 arranged on the road substrates 26 and 27. Then, a guide member 25 for positioning the board blocks 23, 24 is provided by fitting a guide plate 28 to the inner wall surface of the case member 22, on which the board blocks 23, 24 are mounted. . With this configuration, the board blocks 23 and 24 can be positioned and smoothly loaded into the case member 22.
  • the signal input connector 21 is provided in the casing 21 a to which the signal output connectors 23 and 24 a of the board blocks 23 and 24 are mounted, and in the casing 21 a. It consists of the signal output connectors 23a and 24a of the board blocks 23 and 24, and the terminal 21b that is in electrical contact with the terminals.
  • a gap 31 is provided between the casing 21a and the signal output connectors 23a and 24a of the port blocks 23 and 24.
  • FIG. 11 is a perspective view showing another example of the input signal circuit block of the plasma display device according to the embodiment of the present invention before assembling.
  • an input signal circuit block 14 may be configured by mounting a pod block 23 of three minimum unit units to a case member 22.
  • FIG. 12 is a perspective view before assembling showing another example of the input signal circuit block of the plasma display device according to the embodiment of the present invention.
  • the input signal circuit block 14 may be configured by mounting only the board block 24 in which the two minimum unit unit port blocks are connected to the case member 22.
  • a lid 32 is also used in combination.
  • FIG. 13 is a perspective view before assembling showing still another example of the input signal circuit block of the plasma display device according to the embodiment of the present invention. As shown in FIG.
  • an input signal circuit block 14 may be configured by mounting a port block 33 in which three minimum unit unit port blocks are connected to a case member 22.
  • the size and number of some parts are different, such as three guide plates 28 arranged on the pod block 33, the input terminal part 3 3b is almost the same size as the mounting port 22a, etc. Except for this, the configuration is the same as that of the port blocks 23 and 24, and the circuit board 34 has the same configuration as the circuit boards 26 and 27.

Abstract

L'invention concerne un dispositif d'affichage d'images du type écran plat, tel qu'un dispositif d'affichage à plasma, qui comprend une structure terminale d'entrée de signal pouvant recevoir, de façon flexible, une pluralité de types de signal d'image. Le dispositif d'affichage du type écran plat comprend : un panneau d'affichage du type plat ; un bloc circuit d'excitation d'affichage ; un bloc circuit d'entrée de signal, monté entre le bloc circuit d'excitation d'affichage et un dispositif extérieur dont sort un signal d'image ; et une enveloppe contenant ces composants. Le bloc circuit d'entrée de signal comprend : une pluralité de types de bloc à carte (23, 24) remplaçable, correspondant à la pluralité de types de signal d'image ; et un élément d'enveloppe (22) comportant des éléments de guidage (25) disposés dans l'enveloppe, ainsi qu'une ouverture de montage servant au montage des blocs à carte (23, 24) et à leur mise en place en un emplacement prédéterminé. Ce dispositif d'affichage comprend une pluralité d'éléments de guidage (25) qui correspond au nombre unitaire minimal des blocs à carte (23).
PCT/JP2004/007661 2003-05-29 2004-05-27 Dispositif d'affichage d'images du type ecran plat WO2004107296A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN2004800062182A CN1759429B (zh) 2003-05-29 2004-05-27 平板型图像显示装置
US10/548,717 US7456807B2 (en) 2003-05-29 2004-05-27 Flat panel image display unit
EP04735115A EP1628280A4 (fr) 2003-05-29 2004-05-27 Dispositif d'affichage d'images du type ecran plat

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2003-152530 2003-05-29
JP2003152530A JP4046011B2 (ja) 2003-05-29 2003-05-29 平板型画像表示装置

Publications (1)

Publication Number Publication Date
WO2004107296A1 true WO2004107296A1 (fr) 2004-12-09

Family

ID=33487258

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2004/007661 WO2004107296A1 (fr) 2003-05-29 2004-05-27 Dispositif d'affichage d'images du type ecran plat

Country Status (6)

Country Link
US (1) US7456807B2 (fr)
EP (1) EP1628280A4 (fr)
JP (1) JP4046011B2 (fr)
KR (1) KR100714166B1 (fr)
CN (1) CN1759429B (fr)
WO (1) WO2004107296A1 (fr)

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Also Published As

Publication number Publication date
CN1759429B (zh) 2010-05-05
US20060197721A1 (en) 2006-09-07
JP4046011B2 (ja) 2008-02-13
CN1759429A (zh) 2006-04-12
EP1628280A4 (fr) 2008-12-10
EP1628280A1 (fr) 2006-02-22
US7456807B2 (en) 2008-11-25
KR100714166B1 (ko) 2007-05-02
KR20050099621A (ko) 2005-10-14
JP2004356981A (ja) 2004-12-16

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